MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48ed48f4db001bd7e5a5bfa03b7c8b6cb20aa22593ad8454e8d54c65234b8d73. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Stealc


Vendor detections: 13


Intelligence 13 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 48ed48f4db001bd7e5a5bfa03b7c8b6cb20aa22593ad8454e8d54c65234b8d73
SHA3-384 hash: c8af3c7dabab58d7024999931bcbb83ec1014d5b0a8a736b100512be3a8348256d32ddf10081c6189c08c86236b5dc34
SHA1 hash: 7d4f5822aee7512b308db3baaeb5d0557abf2469
MD5 hash: 9d7c0fcbfea97ac283f4e68707245250
humanhash: autumn-zulu-speaker-mango
File name:9d7c0fcbfea97ac283f4e68707245250.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:461'824 bytes
First seen:2024-04-28 17:15:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f8d3d580c89ab890cee57ed29743eeb7 (13 x Stealc, 1 x Rhadamanthys)
ssdeep 6144:EbizKU6CpA9+9+HDs15JInfn07l7Ro9+mdb7nrAUYj9To2BwMt2jBse7NU:EbMKUHmcQs7Po9+esUYjq2SUUTBU
TLSH T1F3A4AE0362E07C54F566C7328E3EF6E4A61EF9504E997B272214BA2F04BA1F1E353B51
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0101050509111100 (4 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.172.128.151/7043a0c6a68d9c65.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
337
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
48ed48f4db001bd7e5a5bfa03b7c8b6cb20aa22593ad8454e8d54c65234b8d73.exe
Verdict:
Malicious activity
Analysis date:
2024-04-28 17:16:17 UTC
Tags:
stealer stealc loader arechclient2 backdoor
Link:
https://app.any.run/tasks/c7e8d224-d7ac-47a1-856c-ad369ade82c1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request to an infection source
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
DNS request
Connection attempt
Sending an HTTP GET request
Connecting to a non-recommended domain
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Connection attempt to an infection source
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/48ed48f4db001bd7e5a5bfa03b7c8b6cb20aa22593ad8454e8d54c65234b8d73
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8ccf6823-71f6-4f47-b272-d6093acf2efd
Result
Threat name:
Mars Stealer, RedLine, SectopRAT, Stealc
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432991
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking locale)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Mars stealer
Yara detected RedLine Stealer
Yara detected SectopRAT
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1432991 Sample: 6dRPRHe6Z5.exe Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 81 note.padd.cn.com 2->81 83 fp2e7a.wpc.phicdn.net 2->83 85 fp2e7a.wpc.2be4.phicdn.net 2->85 107 Snort IDS alert for network traffic 2->107 109 Multi AV Scanner detection for domain / URL 2->109 111 Found malware configuration 2->111 113 16 other signatures 2->113 9 6dRPRHe6Z5.exe 2 10 2->9         started        14 run.exe 2->14         started        16 chrome.exe 1 2->16         started        signatures3 process4 dnsIp5 97 185.172.128.203, 49731, 80 NADYMSS-ASRU Russian Federation 9->97 99 185.172.128.228, 49730, 80 NADYMSS-ASRU Russian Federation 9->99 101 note.padd.cn.com 176.97.76.106, 49732, 80 INTRAFFIC-ASUA United Kingdom 9->101 73 C:\Users\user\AppData\Local\Temp\...\run.exe, PE32 9->73 dropped 75 C:\Users\user\AppData\Local\...\relay.dll, PE32 9->75 dropped 77 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 9->77 dropped 79 C:\Users\user\AppData\Local\Temp\u5ik.0.exe, PE32 9->79 dropped 141 Detected unpacking (overwrites its own PE header) 9->141 18 u5ik.0.exe 15 76 9->18         started        23 run.exe 6 9->23         started        25 WerFault.exe 21 16 9->25         started        143 Maps a DLL or memory area into another process 14->143 145 Found direct / indirect Syscall (likely to bypass EDR) 14->145 27 cmd.exe 14->27         started        103 192.168.2.4, 138, 15647, 443 unknown unknown 16->103 105 239.255.255.250 unknown Reserved 16->105 29 chrome.exe 16->29         started        31 chrome.exe 16->31         started        33 chrome.exe 16->33         started        file6 signatures7 process8 dnsIp9 87 185.172.128.151, 49733, 49741, 80 NADYMSS-ASRU Russian Federation 18->87 57 C:\Users\user\AppData\...\softokn3[1].dll, PE32 18->57 dropped 59 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 18->59 dropped 61 C:\Users\user\AppData\...\mozglue[1].dll, PE32 18->61 dropped 69 9 other files (5 malicious) 18->69 dropped 115 Multi AV Scanner detection for dropped file 18->115 117 Detected unpacking (changes PE section rights) 18->117 119 Detected unpacking (overwrites its own PE header) 18->119 127 8 other signatures 18->127 35 cmd.exe 18->35         started        37 WerFault.exe 18->37         started        63 C:\Users\user\AppData\Roaming\...\relay.dll, PE32 23->63 dropped 65 C:\Users\user\AppData\...\UIxMarketPlugin.dll, PE32 23->65 dropped 121 Maps a DLL or memory area into another process 23->121 123 Found direct / indirect Syscall (likely to bypass EDR) 23->123 39 cmd.exe 4 23->39         started        67 C:\Users\user\AppData\Local\Temp\sphkbeyctk, PE32 27->67 dropped 125 Writes to foreign memory regions 27->125 43 conhost.exe 27->43         started        45 MSBuild.exe 27->45         started        89 google.com 29->89 91 www.google.com 172.253.122.99, 443, 49739 GOOGLEUS United States 31->91 93 172.253.115.103, 443, 49762 GOOGLEUS United States 33->93 file10 signatures11 process12 file13 47 conhost.exe 35->47         started        49 timeout.exe 35->49         started        71 C:\Users\user\AppData\Local\Temp\cvmtx, PE32 39->71 dropped 135 Writes to foreign memory regions 39->135 137 Found hidden mapped module (file has been removed from disk) 39->137 139 Maps a DLL or memory area into another process 39->139 51 MSBuild.exe 6 39->51         started        55 conhost.exe 39->55         started        signatures14 process15 dnsIp16 95 91.215.85.66, 15647, 49758 PINDC-ASRU Russian Federation 51->95 129 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 51->129 131 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 51->131 133 Tries to harvest and steal browser information (history, passwords, etc) 51->133 signatures17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/48ed48f4db001bd7e5a5bfa03b7c8b6cb20aa22593ad8454e8d54c65234b8d73
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/48ed48f4db001bd7e5a5bfa03b7c8b6cb20aa22593ad8454e8d54c65234b8d73/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-04-28 17:16:05 UTC
File Type:
PE (Exe)
Extracted files:
62
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jdwur5g3aan5pznfx6qdw7elnszavirfsowyivhi2vggki2lrvzq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:sectoprat family:stealc discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/240428-vs48lacf37/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
SectopRAT
SectopRAT payload
Stealc
Malware Config
C2 Extraction:
http://185.172.128.151
Unpacked files
SH256 hash:
cfc2458a54578854cae748277b7527e4a2ff4a49aa4a55b885109fc334f73865
MD5 hash:
f24e8a42d193b41ec73c76a36c30ee0d
SHA1 hash:
4ceab3b79d49350c6d9575470cd273ec1d8b26cd
Link:
https://www.unpac.me/results/7f4be462-3b31-41e9-88a3-70f8dda7530d/
SH256 hash:
48ed48f4db001bd7e5a5bfa03b7c8b6cb20aa22593ad8454e8d54c65234b8d73
MD5 hash:
9d7c0fcbfea97ac283f4e68707245250
SHA1 hash:
7d4f5822aee7512b308db3baaeb5d0557abf2469
Link:
https://www.unpac.me/results/7f4be462-3b31-41e9-88a3-70f8dda7530d/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/48ed48f4db00/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Stealc_str
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Stealc_b8ab9ab5
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
Rule name:yara_template
Create hunting rule

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Stealc

Executable exe 48ed48f4db001bd7e5a5bfa03b7c8b6cb20aa22593ad8454e8d54c65234b8d73

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2812849/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::RemoveDirectoryA
KERNEL32.dll::GetTempPathA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
KERNEL32.dll::QueryDosDeviceW

Comments